Boston to Tokyo Time Converter
Tokyo is +13h ahead of Boston
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FROM
Boston
United States
UTC-04:00
TO
Tokyo
Japan
UTC+09:00
Date-aware conversion
Convert a specific date and time
Result
Wed, May 27, 2026 08:33
Boston: Tuesday, May 26, 2026 7:33 PM EDT to Tokyo: Wednesday, May 27, 2026 8:33 AM GMT+9.
Tokyo is 13h ahead of Boston on this date
24-Hour Comparison
Every hour in Boston and the corresponding time in Tokyo. Green rows indicate business hours in Tokyo.
Time zones
Boston uses America/New_York (EDT) and Tokyo uses Asia/Tokyo (GMT+9). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in Tokyo. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
Best time for Boston and Tokyo
There is no full business-hour overlap in the 24-hour table, so use a custom time or rotate meeting times for fairness. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
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City context
About these cities
About Boston
Boston is located in United States (North America). It uses the America/New_York timezone with a standard offset of UTC-04:00. It observes DST, switching between EST and EDT. See the full Boston time page for live clock and planning details.
About Tokyo
Tokyo is located in Japan (Asia). It uses the Asia/Tokyo timezone with a standard offset of UTC+09:00. It does not observe Daylight Saving Time. See the full Tokyo time page for live clock and planning details.
Frequently Asked Questions
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